PBLE_LEVEL_0
palloc->level = PBLE_LEVEL_0;
lvl = iwmr->page_cnt != 1 ? PBLE_LEVEL_1 | PBLE_LEVEL_2 : PBLE_LEVEL_0;
if (iwpbl->pble_alloc.level != PBLE_LEVEL_0 && iwpbl->pbl_allocated)
lvl = total > 2 ? PBLE_LEVEL_1 : PBLE_LEVEL_0;
lvl = req.cq_pages > 1 ? PBLE_LEVEL_1 : PBLE_LEVEL_0;